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Electrostatics

Please reply fast sir...
Answeris 2nd option..
Explain with diagram sir..

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Profile image of raju nagula
8 Years agoGrade
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1 Answer

Profile image of Khimraj
8 Years ago
According to free body diagram Tension in string will be
T = mg – force due to electric field
T = mg – qE
520*10-3 = 50*10-3*10 – q*5
So q = – 4*10-3 C
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